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Fix incorrect binding of classmethod when called on instance of subclass

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This commit is contained in:
K. Lange 2021-04-02 12:25:07 +09:00
parent ea443f11df
commit dc361af48b
3 changed files with 17 additions and 2 deletions
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5
src/vm.c
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@ -910,6 +910,7 @@ KrkValue krk_callSimple(KrkValue value, int argCount, int isMethod) {
* Works for managed and native method calls.
*/
int krk_bindMethod(KrkClass * _class, KrkString * name) {
KrkClass * originalClass = _class;
KrkValue method, out;
while (_class) {
if (krk_tableGet_fast(&_class->methods, name, &method)) break;
@ -920,7 +921,7 @@ int krk_bindMethod(KrkClass * _class, KrkString * name) {
if (((KrkNative*)AS_OBJECT(method))->flags & KRK_NATIVE_FLAGS_IS_DYNAMIC_PROPERTY) {
out = AS_NATIVE(method)->function(1, (KrkValue[]){krk_peek(0)}, 0);
} else if (((KrkNative*)AS_OBJECT(method))->flags & KRK_NATIVE_FLAGS_IS_CLASS_METHOD) {
out = OBJECT_VAL(krk_newBoundMethod(OBJECT_VAL(_class), AS_OBJECT(method)));
out = OBJECT_VAL(krk_newBoundMethod(OBJECT_VAL(originalClass), AS_OBJECT(method)));
} else if (((KrkNative*)AS_OBJECT(method))->flags & KRK_NATIVE_FLAGS_IS_STATIC_METHOD) {
out = method;
} else {
@ -928,7 +929,7 @@ int krk_bindMethod(KrkClass * _class, KrkString * name) {
}
} else if (IS_CLOSURE(method)) {
if (AS_CLOSURE(method)->flags & KRK_FUNCTION_FLAGS_IS_CLASS_METHOD) {
out = OBJECT_VAL(krk_newBoundMethod(OBJECT_VAL(_class), AS_OBJECT(method)));
out = OBJECT_VAL(krk_newBoundMethod(OBJECT_VAL(originalClass), AS_OBJECT(method)));
} else if (AS_CLOSURE(method)->flags & KRK_FUNCTION_FLAGS_IS_STATIC_METHOD) {
out = method;
} else {

10
test/testClassMethodInherited.krk Normal file
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@ -0,0 +1,10 @@
class Foo:
@classmethod
def doThing(cls):
print("Called from a",cls)
class Bar(Foo):
pass
Foo.doThing()
Foo().doThing()
Bar.doThing()
Bar().doThing()

4
test/testClassMethodInherited.krk.expect Normal file
View File

@ -0,0 +1,4 @@
Called from a <class '__main__.Foo'>
Called from a <class '__main__.Foo'>
Called from a <class '__main__.Bar'>
Called from a <class '__main__.Bar'>